Ⅰ.Skim the text and answer the following questions.

　　1．Why shouldn't you clone an extinct animal if there isn't enough diversity in the group?

　　There will not be enough genetic variation in the group to be able to resist new illnesses.

　　2．Why is it wrong to clone an extinct animal if it would have to live in a zoo?

　　Because it is not a suitable habitat to develop and increase its numbers, and the zoo is not a natural environment for a wild animal.

　　3．What is the main idea of the text?

　　"The return of the dinosaurs" is either impossible or unsuitable.

　　Ⅱ.Choose the best answer according to the text.

　　1．The film Jurassic Park is popular because .

　　A．people are interested in the subject of cloning fierce and extinct wild animals

　　B．all the actors are dinosaurs

　　C．it was directed by a scientist who cloned dinosaurs

　　D．it proves very interesting

　　2．The reasons why a group of cloned animals all might die of the same illness do NOT include .

　　A．they have the same arrangement of genes

　　B．there is not enough diversity in the group to overcome illnesses

　　C．the illness is a new one

　　D．their arrangement of genes can not resist that new illness

　　3．It can be inferred from the text that .

　　A．scientists are experimenting with cloning dinosaurs

　　B．dinosaurs will never return to the earth

　　C．cloned animals will only live in the zoo

　　D．the DNA of dinosaurs can only survive 10,000 years

　　4．What is the author's attitude in this text?

　　A．Subjective.　B．Positive.

　　C．Favorable. D．Objective.

　　答案：1～4　ACBD

　　Ⅰ.单词拼写

　　1．We went to the opera (歌剧院) last night and saw La Boheme.

　　2．I bought two loaves (条) of bread, a dozen eggs and six bananas altogether in the supermarket.

　　3．Police arrived at the scene shortly (不久) after midnight.

　　4．Wearing seatbelts in cars is compulsory (强制的) by law.

　　5．The boss owes (欠) me 100 pounds for my work.

　　6．Last night, an earthquake struck (侵袭) the place, causing much damage.

　　7．Would it bother (打扰) you if I put on some music?

8．All the new employees are asked to learn about the rules and regulations (规则) of the company and they must obey them.